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6894 Commits

Author SHA1 Message Date
Sean Callanan
1e1901a294 Fixed a bug in the disassembler where the mandatory 0x66 
prefix would be misinterpreted in some cases on 32-bit
x86 platforms.  Thanks to Olivier Meurant for identifying
the bug.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124709 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-02 01:09:02 +00:00
Carl Norum
e47023d543 Test commit - fix a double 'should' in a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124652 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-01 07:38:42 +00:00
Evan Cheng
2bffee2ee7 Patches to build EFI with Clang/LLVM. By Carl Norum. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124639 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-01 01:14:13 +00:00
Devang Patel
e9a7ea6865 Keep track of incoming argument's location while emitting LiveIns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124611 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-31 21:38:14 +00:00
David Greene
54d8ebafc7 [AVX] Clean up the code to configure target lowering for AVX. Specify 
how to lower more/new operations.  This is a prerequisite for adding
additional AVX lowering.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124447 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-27 22:38:56 +00:00
Roman Divacky
bf7553210a Introduce virtual ParseRegister method in TargetAsmParser. 
Create override of this method in X86/ARM/MBlaze.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124378 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-27 17:14:22 +00:00
NAKAMURA Takumi
40ccb798cc lib/Target/X86/X86ISelDAGToDAG.cpp: __main should be WINCALL64 on Win64. 
CALL64 marks %xmm* as dead.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124354 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-27 03:20:19 +00:00
David Greene
cfe33c46aa [AVX] Add INSERT_SUBVECTOR and support it on x86. This provides a 
default implementation for x86, going through the stack in a similr
fashion to how the codegen implements BUILD_VECTOR.  Eventually this
will get matched to VINSERTF128 if AVX is available.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124307 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-26 19:13:22 +00:00
David Greene
91585098ef [AVX] Support EXTRACT_SUBVECTOR on x86. This provides a default 
implementation of EXTRACT_SUBVECTOR for x86, going through the stack
in a similr fashion to how the codegen implements BUILD_VECTOR.
Eventually this will get matched to VEXTRACTF128 if AVX is available.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124292 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-26 15:38:49 +00:00
NAKAMURA Takumi
7754f85885 Target/X86: Tweak win64's tailcall. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124272 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-26 02:04:09 +00:00
NAKAMURA Takumi
e5fffe9c3f Fix whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124270 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-26 02:03:37 +00:00
NAKAMURA Takumi
c5b7a4223d lib/Target/X86/X86RegisterInfo.cpp: Fix whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124268 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-26 01:28:06 +00:00
NAKAMURA Takumi
b901076387 lib/Target/X86/X86RegisterInfo.cpp: Fix a typo in comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124267 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-26 01:27:58 +00:00
Chris Lattner
ccea167db5 fix a missing shuffle pattern, PR9009. Patch by Artiom Myaskouvskey! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124102 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-24 03:42:46 +00:00
Rafael Espindola
96aa78c8c5 Add support for the --noexecstack option. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124077 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-23 17:55:27 +00:00
Ted Kremenek
584520e8e2 Null initialize a few variables flagged by 
clang's -Wuninitialized-experimental warning.
While these don't look like real bugs, clang's
-Wuninitialized-experimental analysis is stricter
than GCC's, and these fixes have the benefit
of being general nice cleanups.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124073 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-23 17:05:06 +00:00
Rafael Espindola
1c13026e8f Remove more duplicated code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124056 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-23 04:43:11 +00:00
Rafael Espindola
c85dca66e6 Remove duplicated code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124054 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-23 04:28:49 +00:00
Eric Christopher
cdfe3c359b The stub routine that we're calling uses test and so clobbers 
the flags.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123712 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-18 01:37:20 +00:00
Douglas Gregor
e735882224 Add a missing <cctype> include, from Joerg Sonnenberger! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123670 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-17 19:17:01 +00:00
Chris Lattner
dec28ceb02 fix PR8514, a bug where the "heroic" transformation of shift/and 
into and/shift would cause nodes to move around and a dangling pointer
to happen.  The code tried to avoid this with a HandleSDNode, but 
got the details wrong.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123578 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-16 08:48:11 +00:00
Chris Lattner
9cd3da47f9 fix PR8981, a crash trying to form a conditional inc with a floating point compare. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123560 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-16 02:56:53 +00:00
Chris Lattner
b99fdee325 reapply my fix for PR8961 with a tweak to properly handle 
multi-instruction sequences like calls.  Many thanks to Jakob for
finding a testcase.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123559 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-16 02:27:38 +00:00
Ted Kremenek
d7f696edec 'HiReg' is written but never read. Nuke its 
declaration and its assignments.

Found by clang static analyzer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123486 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-14 22:34:13 +00:00
Anton Korobeynikov
3965b5e974 Add a possibility to switch between CFI directives- and table-based frame description emission. Currently all the backends use table-based stuff. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123476 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-14 21:58:08 +00:00
Anton Korobeynikov
e749911372 Cleanup 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123475 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-14 21:57:58 +00:00
Chris Lattner
d357e88740 revert my fastisel patch again which apparently still gives the 
llvm-gcc-i386-linux-selfhost buildbot heartburn...


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123431 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-14 06:14:33 +00:00
Chris Lattner
9e27cc8049 reapply r123414 now that the botz are calmed down and the fix is already in. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123427 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-14 04:24:28 +00:00
Chris Lattner
a899d1c264 r123414 broke llvm-gcc bootstrap apparently, revert 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123422 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-14 02:07:32 +00:00
Chris Lattner
d754041493 fix PR8961 - a fast isel miscompilation where we'd insert a new instruction 
after sext's generated for addressing that got folded.  Previously we compiled
test5 into:

_test5:                                 ## @test5
## BB#0:
        movq    -8(%rsp), %rax          ## 8-byte Reload
        movq    (%rdi,%rax), %rdi
        addq    %rdx, %rdi
        movslq  %esi, %rax
        movq    %rax, -8(%rsp)          ## 8-byte Spill
        movq    %rdi, %rax
        ret

which is insane and wrong.  Now we produce:

_test5:                                 ## @test5
## BB#0:
	movslq	%esi, %rax
	movq	(%rdi,%rax), %rax
	addq	%rdx, %rax
	ret



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123414 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-14 00:01:01 +00:00
Jakob Stoklund Olesen
f7ca976e74 Fix a few more places that should use MBB::getLastNonDebugInstr(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123408 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-13 22:47:43 +00:00
Jakob Stoklund Olesen
4f28c1c714 Teach frame lowering to ignore debug values after the terminators. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123399 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-13 21:28:52 +00:00
Eric Christopher
04f5079ca1 Experiment with changing the default 32-bit linux stack alignment to 
16 bytes for PR8969. Update all testcases accordingly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123367 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-13 06:47:10 +00:00
Chris Lattner
3a5004dc3e Fix PR8946, a missing reg/reg form of movdqu. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123242 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-11 17:04:55 +00:00
Anton Korobeynikov
7af6fad0a7 Update CMake stuff 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123171 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-10 12:39:23 +00:00
Anton Korobeynikov
16c29b5f28 Rename TargetFrameInfo into TargetFrameLowering. Also, put couple of FIXMEs and fixes here and there. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123170 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-10 12:39:04 +00:00
Jakob Stoklund Olesen
c9df025e33 Simplify a bunch of isVirtualRegister() and isPhysicalRegister() logic. 
These functions not longer assert when passed 0, but simply return false instead.

No functional change intended.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123155 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-10 02:58:51 +00:00
Jakob Stoklund Olesen
b258135301 Fix the last virtual register enumerations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123102 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-08 23:11:11 +00:00
Evan Cheng
55d4200336 Recognize inline asm 'rev /bin/bash, ' as a bswap intrinsic call. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123048 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-08 01:24:27 +00:00
Evan Cheng
c36b7069b4 Do not model all INLINEASM instructions as having unmodelled side effects. 
Instead encode llvm IR level property "HasSideEffects" in an operand (shared
with IsAlignStack). Added MachineInstrs::hasUnmodeledSideEffects() to check
the operand when the instruction is an INLINEASM.

This allows memory instructions to be moved around INLINEASM instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123044 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-07 23:50:32 +00:00
Evan Cheng
a5e1362f96 Revert r122955. It seems using movups to lower memcpy can cause massive regression (even on Nehalem) in edge cases. I also didn't see any real performance benefit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123015 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-07 19:35:30 +00:00
Rafael Espindola
2f867a63da Correctly disassemble truncated asm. 
Patch by Richard Simth.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122962 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-06 16:48:42 +00:00
Benjamin Kramer
5191e7cc26 Remove dead code and silence warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122957 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-06 13:01:02 +00:00
Evan Cheng
461f1fc359 Use movups to lower memcpy and memset even if it's not fast (like corei7). 
The theory is it's still faster than a pair of movq / a quad of movl. This
will probably hurt older chips like P4 but should run faster on current
and future Intel processors. rdar://8817010


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122955 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-06 07:58:36 +00:00
Evan Cheng
0521928ae7 Re-implement r122936 with proper target hooks. Now getMaxStoresPerMemcpy 
etc. takes an option OptSize. If OptSize is true, it would return
the inline limit for functions with attribute OptSize.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122952 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-06 06:52:41 +00:00
Bill Wendling
a99ec28134 PR8919 - LLVM incorrectly generates "_alloca" as the stack probing call. That 
works only on MinGW32. On 64-bit, the function to call is "__chkstk".
Patch by KS Sreeram!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122934 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-06 00:50:34 +00:00
Bill Wendling
78d15761e4 PR8918 - When used with MinGW64, LLVM generates a "calll __main" at the 
beginning of the "main" function. The assembler complains about the invalid
suffix for the 'call' instruction. The right instruction is "callq __main".
Patch by KS Sreeram!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122933 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-06 00:47:10 +00:00
Chris Lattner
c010e61ae1 fix PR8900, a shuffle miscompilation. Patch by Nadav Rotem! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122921 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-05 22:28:46 +00:00
Chris Lattner
c46ec649b1 silence more self assignment warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122920 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-05 22:26:52 +00:00
Jakob Stoklund Olesen
631ee4b89f Use the EdgeBundles analysis in X86FloatingPoint instead of recomputing CFG 
bundles in the pass.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122833 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-04 21:10:11 +00:00